1.A slot from the disc opens, and then there's darkness as the man moves, opens, darkness.

圆盘上的一个狭槽打开，当那个人移动时，黑暗就出现，又打开，又变黑暗。

2.So to open your door, just slide it into the slot next to the door handle. The blue side of the card needs to face upwards.

所只要滑进门把旁边的狭槽就可开门。卡片蓝色的那一面要朝上。

3.The mask operates much like a handbrake on a bicycle. A user pulls a lever which creates an opening in the front of the mask so that food can pass through.

这的原理很像自行车的手刹。使用者可拉动杠杆，打开的狭槽，这样可戴着用餐。

4.He knew he was beaten now finally and without remedy and he went back to the stern and found the jagged end of the tiller would fit in the slot of the rudder well enough for him to steer.

他明白他如今终于给打败，没法补救，就回到船梢，发现舵把那锯齿形的断头还可安在舵的狭槽里，让他用来掌舵。